Which of the following are common types of Cleavage (and their associated minerals/ mineral groups)?
A. One direction (mica)
B. Three perpendicular directions (halite)
C. Two non-perpendicular directions (amphibole)
D. Two perpendicular directions (pyroxene)
E. Three non-perpendicular directions (calcite)
Answers
The common types of cleavage and their associated minerals or mineral groups are as follows:
A. One direction - Mica
B. Three perpendicular directions - Halite
C. Two non-perpendicular directions - Amphibole
D. Two perpendicular directions - Pyroxene
E. Three non-perpendicular directions - Calcite
Cleavage is the tendency of a mineral to break along specific planes of weakness, producing smooth, flat surfaces. Different minerals exhibit different types of cleavage based on the arrangement of their atomic structure.
A. One direction cleavage is characteristic of minerals like mica, where they can be easily cleaved into thin sheets along a single plane due to the weak bonds between their layered atomic structure.
B. Three perpendicular directions cleavage is observed in minerals like halite (salt), where they can be cleaved into cubic-shaped fragments along three mutually perpendicular planes.
C. Two non-perpendicular directions cleavage is seen in minerals like amphibole, where they can be cleaved into elongated fragments along two non-perpendicular planes.
D. Two perpendicular directions cleavage is typical of minerals like pyroxene, where they can be cleaved into prismatic-shaped fragments along two mutually perpendicular planes.
E. Three non-perpendicular directions cleavage is characteristic of minerals like calcite, where they can be cleaved into rhombohedral-shaped fragments along three non-perpendicular planes.
These types of cleavage are important properties used in mineral identification and classification.
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Related Questions
What are the similarities and differences between oceanic crust continental crust?.
Answers
Answer: What is the difference and similarities of continental crust and oceanic crust? Continental crust is thicker, on the contrary, the oceanic crust is thinner. Continental crust floats on magma freely but oceanic crust floats on magma scarcely.
Explanation: Hope it helps :)
PLS SNSWERR is this!! IM SO SCARED. What bug is this? It’s was on my short
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what is the bug name or photo ??
Describe how geographic concepts help to explain the distribution of phenomena on Earth.....PLEASE HELP!!
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Spatial concepts help to explain the distribution of phenomena on Earth.
What is Spatial concepts in geography?
Spatial concepts provide a language for explaining the configuration of individuals, places, and environments. Arrangements can be represented in terms of proximity, distance, scale, clustering, distribution, etc.
Geographic concepts permit the exploration of relationships and connections between individuals and both natural and cultural environments. They include a spatial component. They furnish a framework that geographers utilize to interpret and symbolize information about the world.
Geography's unique method of understanding the world exists through spatial patterns and associations. A geographer visualizes and analyses spatial associations between objects i.e. they utilize notions such as location, distance, direction, shape, and pattern.
Spatial distribution in statistics exists in the arrangement of a phenomenon across the Earth's surface and a graphical display of such an interpretation exists as an essential tool in geographical and environmental statistics.
Hence, Spatial concepts help to explain the distribution of phenomena on Earth.
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what would happend if all the indangered animals were gone
Answers
Answer:
It would affect all organisms on the planet and the food cycle would be ruined.
Which statement best describes the theory of plate tectonics?
1.Plates sometimes move closer to one another.
2.Sections of Earth that shift are part of Earth’s asthenosphere.
3.Sections of Earth’s continents are in slow, constant movement.
4.Parts of the ocean floor move as they are carried by rift valleys.
Answers
Answer:
3
Explanation:
because i just took the test
Answer: 3
Explanation:
Name two things that can happen if you pump too much water, too fast from your well.on
Answers
Answer:
Pumping too much water too fast draws down the water in the aquifer and eventually causes a well to yield less and less water and even run dry. In fact, pumping your well too much can even cause your neighbor's well to run dry if you both are pumping from the same aquifer.
Explanation:
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where did civilization begin? (river valley civilization)
• explain the fertile crescent:
Answers
Hope this helps!
Pls help it’s the middle question and it’s over geography
Answers
Answer:
The answer is: A the ring of fire
The greatest severe weather threat in the U.S. extends from Texas to southern Minnesota. But, no place in the United States is completely safe from the threat of severe weather. What is the difference between a Severe Thunderstorm WATCH and a Severe Thunderstorm WARNING?
Answers
A Severe Thunderstorm WATCH alerts residents to the possibility of severe weather, while a Severe Thunderstorm WARNING indicates that severe weather is imminent or occurring. Both terms serve as essential tools for public safety during severe weather events in the United States.
A Severe Thunderstorm WATCH and a Severe Thunderstorm WARNING are two terms used by meteorologists to convey the level of risk associated with severe weather events. The main difference between them lies in the immediacy of the threat and the certainty of the event occurring.
A Severe Thunderstorm WATCH indicates that conditions are favorable for severe thunderstorms to develop in a specified area. This means there is a potential for heavy rain, hail, strong winds, and even tornadoes. However, it does not guarantee that severe weather will occur; it simply means that the atmospheric conditions are conducive to such events. Residents in the watch area should stay informed, monitor weather updates, and be prepared to take action if conditions worsen.
On the other hand, a Severe Thunderstorm WARNING signifies that a severe thunderstorm has been detected by radar or reported by a trained spotter. This means that severe weather is imminent or already occurring in the specified area. When a warning is issued, it is crucial for residents to seek immediate shelter and take necessary precautions to ensure their safety.
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a narrow strip of land that connects two larger landmasses
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A narrow strip of land that connects two larger land masses and separates two water bodies is called an Isthmus.
Since Isthmus lies at the connecting point of two large landmasses, its strategic location makes it ideal for setting up ports, canals, military camps, stations, etc. A natural outcome of such structures would be enhanced communication, exchange of knowledge, culture, and robust trade through this connection.
Some examples include the Isthmus of Panama which links continents of North and South America and separates the Pacific Ocean from the Atlantic Ocean. The Isthmus of Suez links the continents of Asia and Africa and separates the Red Sea from the Mediterranean Sea.
Both the above-mentioned Isthmus are expeditors of large-scale trade across the world. About 14,000 ships cross the Panama Canal between the Atlantic and Pacific Oceans every year.
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Tectonic plate movements have occurred throughout time around the world. Some scientists even believe that the continents used to be one large land mass, but the movements of the plates caused them to drift apart, separating slowly into the 7 continents we have today. Also, these plate movements caused various islands and volcanoes to form. For example, the movements of the Pacific Plate caused a long, narrow band of volcanoes to form, a band that stretches 24,000 miles around the Pacific Ocean.
After reading the passage carefully, which two key terms can you infer are being referenced in the paragraph?
Answers
The two key terms can you infer are being referenced in the paragraph are:
The plate movements The continents What is the Tectonic plate movements?The movement of the plates is known to be one that makes some types of tectonic boundaries such as convergent, divergent and also transformation.
Note that The two key terms can you infer are being referenced in the paragraph are: The plate movements and the continents because the text is centered around it.
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Which statement best describes how the Great Rift Valley in Africa formed?
A) The rift valley formed when the crust pulled apart.
B) The rift valley formed due to subduction.
C) The rift valley formed similarly to an island arc.
D) The rift valley formed at a convergent boundary.
Answers
Answer:
B
Explanation:
the rift valley formed due to subduction
Answer: a. The rift valley formed when the crust pulled apart
Explanation: got it right on edge
Which two discoveries were the first pieces of irrefutable proof that Alfred Wegner was correct and the continents are moving
Answers
The two discoveries that were the first pieces of irrefutable proof that Alfred Wegener was correct and the continents are moving are as follows:
The discovery of the Mid-Atlantic Ridge and the discovery of the magnetic stripe patterns on the seafloor. The two discoveries that were the first pieces of irrefutable proof that Alfred Wegener was correct and the continents are moving are as follows: Discovery of the Mid-Atlantic Ridge :In the early 1950s, oceanographers were surveying the ocean floor when they discovered a massive mountain range beneath the Atlantic Ocean.
The chain extended from Iceland to South America's tip, breaking up into two branches that continued into the Indian Ocean. This discovery of a mountain chain stretching around the world like the seam of a baseball could only be described as earth-shattering, as it was contrary to all previous assumptions about the ocean floor's flatness. Wegener's theories were once ridiculed since there was no known mechanism for continental drift.
The discovery of the Mid-Atlantic Ridge provided this missing piece of the puzzle. Scientists could now observe the mechanism that drove the continents across the globe, reshaping the planet's surface over the millennia.Discovery of the magnetic stripe patterns on the seafloor:Another piece of irrefutable evidence was discovered on the seafloor, supporting the hypothesis of seafloor spreading.
In the 1960s, researchers used magnetometers to measure the ocean floor's magnetic striping. It was discovered that the seafloor's rocks contain magnetic minerals that are aligned with the Earth's magnetic field as they cool and solidify. The magnetic minerals in rocks along the mid-ocean ridge create a pattern of magnetism that reflects the Earth's polarity.
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how would you craft be used for in helping to play in the future of a community
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true or false? during metamorphism, a rock melts and recrystallizes into a different form of rock. group of answer choices false true
Answers
The given statement "During metamorphism,a rock melts and recrystallizes into a different form of rock because a rock undergoes changes in its mineralogy, texture, and sometimes chemical composition due to increased heat, pressure, or the presence of chemically active fluids. These changes lead to the recrystallization of the rock into a different form of rock.
Step-by-step explanation:
1. Metamorphism occurs when a rock is subjected to high heat and/or pressure, or when it is in contact with chemically active fluids. This process causes the minerals within the rock to become unstable and begin to change. 2. As the unstable minerals in the rock begin to break down, new minerals form that are stable under the new metamorphic conditions. This process of new mineral formation is called neocrystallization.
3. Neocrystallization can cause the original rock's minerals to reorient themselves, creating a new texture in the rock. This texture change can be seen in foliated metamorphic rocks, where the minerals are aligned in a parallel fashion.4. In some cases, the chemical composition of the rock can also change during metamorphism.5. The combination of new mineral formation, changes in texture, and changes in chemical composition leads to the transformation of the original rock into a new metamorphic rock.
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why is it essential for growing children to take protein rich food
Answers
Answer:
It is essential for growing children to take protein-rich food because proteins are the building blocks of the body and are important for tissue growth and repair. Additionally, protein helps to build strong bones, muscles, organs, hair, and nails. Additionally, proteins contain essential amino acids that support healthy growth and development in children.
they help fix and maintain body tissues and are important in the growth of all organs and systems
What is latent heat? How does it differ from sensible heat, and how does it relate to phase changes of water? Provide an example of when latent heat is released to the environment during a phase change, and when it is absorbed from the environment during a phase change.
Answers
Latent heat is the heat that is absorbed or released by a substance during a phase change, such as melting, freezing, vaporization, or condensation.
How are sensible heat and latent heat different ?Sensible heat is the heat that is absorbed or released by a substance that changes its temperature but does not change its phase.
Latent heat is different from sensible heat because it is not related to the temperature of the substance. For example, water can absorb latent heat even if it is already at its boiling point. This is why water can continue to boil even if you turn off the heat. The latent heat is used to break the bonds between the water molecules, which allows them to escape into the air as steam.
Here are some examples of when latent heat is released to the environment during a phase change:
When water vapor condenses into clouds, it releases latent heat. This latent heat warms the air around the clouds.When water freezes, it releases latent heat. This latent heat warms the air around the ice.Find out more on latent heat at https://brainly.com/question/30430924
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Which of the following list of minerals is in the correct crystallization order according to Bowen's Reaction Series
(note that not all possible minerals in the series are shown)?
A. Na-plagioclase, Ca-plagioclase, K-feldspar, quartz
B. amphibole, Ca-plagioclase, K-feldspar, muscovite mica
C. olivine, quartz, muscovite mica, amphibole
D. olivine, pyroxene, amphibole, biotite mica
E. quartz, muscovite mica, K-feldspar, Na-plagioclase
Answers
The list of minerals that is in the correct crystallization order according to Bowen's Reaction Series is given by option (D) olivine, pyroxene, amphibole, biotite mica. Option (D) is correct.
Bowen's Reaction Series illustrates the order in which minerals crystallize from a cooling magma.
Minerals that have high melting points and low silica contents crystallize first, followed by minerals that have lower melting points and higher silica contents. As the magma cools, minerals with higher melting points form crystals, while minerals with lower melting points remain molten.
Olivine crystallizes first in the series, followed by pyroxene, amphibole, and biotite mica. Quartz, muscovite mica, K-feldspar, Na-plagioclase, and Ca-plagioclase are minerals that crystallize later in the sequence, after biotite mica.
Therefore the correct option is D. olivine, pyroxene, amphibole, biotite mica
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q10: which gas had the largest proportional increase in mass when moving from the upper troposphere to the surface? why?
Answers
The gas which had the largest proportional increase in mass when moving from the upper troposphere to the surface is water vapor.
The gaseous form of water is known as water vapor, or aqueous vapor. Within the hydrosphere, it is one type of water state. Water vapor can be created by the boiling or evaporation of liquid water as well as by the melting of ice. Like the majority of other atmospheric elements, water vapor is transparent. Water vapor is produced mainly by evaporation and eliminated by condensation in a normal atmosphere. It causes convection that can result in clouds since it is less dense than the majority of the other air constituents. Each planet in the Solar System, as well as many astronomical objects like natural satellites, comets, and even massive asteroids, all contain water vapor, making it a rather frequent atmospheric component. The discovery of exoplanet water vapor would also suggest that additional planetary systems have a similar distribution. In the instance of some planetary mass objects, the presence of water vapor can also serve as a subliminal indicator of the existence of extraterrestrial liquid water.
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A country's government is concerned about its rapidly expanding population. Which of the following solutions would be MOST effective?
Encouraging politicians to only have one child as an example
Increasing the retirement age
Building more schools
Banning free contraception
Offering tax breaks to families who choose to have only one child
Answers
Answer:
Offering tax breaks to families who choose to have only one child
what is the background of bela-bela municipality
Answers
The Bela-Bela Municipality is located in the Waterberg District of Limpopo Province, South Africa, known for its natural hot springs and tourism attractions.
The Bela-Bela Municipality is a local government entity situated in the Waterberg District of Limpopo Province, South Africa. It encompasses the town of Bela-Bela, formerly known as Warmbaths, which is renowned for its natural hot springs. The municipality covers an area of approximately 3,935 square kilometers and is home to a diverse population. The region's history dates back to ancient times when it was inhabited by indigenous communities. Over the years, Bela-Bela has experienced growth and development, attracting visitors with its thermal springs and scenic landscapes. The municipality plays a vital role in providing essential services to its residents, including infrastructure development, healthcare, education, and environmental management. Additionally, tourism plays a significant role in the local economy, as visitors come to enjoy the hot springs, game reserves, and other recreational activities available in the area.For more such questions on Limpopo:
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B. How much of the Sun would you see if you were
standing in the penumbra?
Answers
Answer:
you would be in total shadow, unable to see any part of the sun's bright surface, and the eclipse would be total (Figure 3-7b). But if you were located outside the umbra, in the penumbra, you would see part of the sun peeking around the edge of the moon, and the eclipse would be partia
Explanation:
Brainiest???
What allows tectonic plates to move?
Answers
Answer:
The heat from the core of the Earth can cause the mantle layer to move. This causes the tectonic plates to move.
Answer: The heat from radioactive processes within the planet's interior.
Explanation:
hypothesize about drawbacks to hydrofracking. although hydrofracking makes gas shales economically viable, which of the following are disadvantages to hydrofracking? choose one or more: a. it requires dangerous human labor underground. b. it is very labor intensive. c. it requires the extraction of large amounts of soil and rock, scarring the landscape. d. it uses water, which is a valuable resource.
Answers
It mines large amounts of soil and rock, spoils the landscape, and consumes a precious resource water.
Option c and d is correct
Hydraulic fracturing is a water-intensive process that requires large volumes of water to be mixed with chemicals and injected into the ground. This can be a problem in areas with limited or scarce water resources. Hydrofracking water withdrawals can stress local water supplies and cause competition with other water users such as agriculture, communities and ecosystems.
Additionally, the water used in the process becomes contaminated and must be treated and disposed of properly, creating water management challenges and potential environmental risks.
Hence, Option c and d is correct
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Draw a right triangle and label the hypotenuse and legs
Answers
Answer:
Hypotenuse is the side across from the right angle
Explanation:
The longest side of an isosceles right triangle, which is located across from the right angle, is known as the hypotenuse. The length of the hypotenuse is a2 units if the length of each equal side is 'a' units.
How do you label the hypotenuse of a right triangle?The lengths of the sides of the right triangle are denoted by the lowercase letters c, a, and b. The labels of a vertex and the opposing side are identical. The particular side designated as c is known as the hypotenuse of the right triangle and is located opposite the right angle C.
The required right triangle and attached in the file attached below.
Only for right-angled triangles, the hypotenuse is always longer than the other sides. While all sides in an equilateral triangle are referred to as sides in isosceles triangles, the two equal sides are known as the legs in isosceles triangles.
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along which physical feature is most of the population of egypt located? how does vegetation help to explain why most people live there?
Answers
Egypt's population is concentrated along the Nile River due to its reliable water supply, fertile soil for agriculture, and the transportation opportunities it offers.
The majority of Egypt's population is concentrated along the Nile River, which is the country's most prominent physical feature. The Nile River provides a reliable source of water, fertile soil, and a natural transportation route, making it an ideal location for human settlement.
1. The Nile River: Egypt's population is primarily located along the Nile River. The river flows through the country from south to north, providing a vital water source for agriculture, drinking water, and other daily needs.
2. Fertile Soil: The Nile River floods annually, depositing nutrient-rich sediment along its banks. This floodplain, known as the Nile Delta, has extremely fertile soil, which supports agriculture and allows for the cultivation of crops.
3. Water Accessibility: The Nile River ensures a steady water supply, enabling irrigation and facilitating the growth of crops in an otherwise arid environment. This availability of water is crucial for sustaining a large population.
4. Transportation: The Nile River historically served as a significant transportation route, facilitating trade and communication between different regions. This has contributed to the concentration of population along its banks, as it provides access to economic opportunities and resources.
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The layer of the atmosphere that contains weather is the
Answers
Answer: crust
Explanation: it the outer most layer of the arth
Answer:
troposphere
Explanation:
The troposphere is the lowest layer of the atmosphere. This is the layer where we live and where weather happens.
The tree most common government systems include confederate,federal,and ——— governments
A= unitary
B= monarchical
C= dictatorial
D= democratic
Answers
Answer:
Unitary
Explanation:
Answer:
d
Explanation:
trust me
Astrology! Please help! Test has time!
What is similar about the discoveries of Neptune and Pluto?
A. They were both identified as planets by virtue of their movement in the sky.
B. They were discovered within 10 years of each other, so roughly at the same time.
C. They were both recognized to be planets because of objects orbiting them.
D. They were discovered as planets by use of the sextant.
Answers
The similarity about the discoveries of Neptune and Pluto is: they were both identified as planets by virtue of their movement in the sky. The Option D is correct.
What is similar about the discoveries of Neptune and Pluto?We have few similarities in the discoveries of Neptune and Pluto:
Both planets were discovered through mathematical predictions rather than direct observations. In the case of Neptune, astronomers noticed discrepancies in the orbit of Uranus, which led them to calculate the location of an unknown planet. Similarly, the discovery of Pluto was based on observations of irregularities in the orbit of Neptune.The discoveries of both Neptune and Pluto were made by American astronomers. Neptune was discovered by Urbain Le Verrier, a French mathematician, but its existence was confirmed by American astronomer Johann Galle. Pluto was discovered by American astronomer Clyde Tombaugh.Both Neptune and Pluto are located in the outer reaches of our solar system. Neptune is the eighth planet from the sun, while Pluto is the ninth (although it has since been reclassified as a dwarf planet).Read more about Planet
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# 5 I will give brainliest
Answers
Answer:
to support their military and fund protection against the other nations
Explanation: